1 files changed, 38 insertions, 3 deletions

diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
index e998c123e0c5..478d766abf8c 100644
--- a/drivers/net/wireless/libertas/if_sdio.c
+++ b/drivers/net/wireless/libertas/if_sdio.c
@@ -61,6 +61,7 @@ struct if_sdio_model {
 	int model;
 	const char *helper;
 	const char *firmware;
+	struct if_sdio_card *card;
 };
 
 static struct if_sdio_model if_sdio_models[] = {
@@ -69,18 +70,21 @@ static struct if_sdio_model if_sdio_models[] = {
 		.model = IF_SDIO_MODEL_8385,
 		.helper = "sd8385_helper.bin",
 		.firmware = "sd8385.bin",
+		.card = NULL,
 	},
 	{
 		/* 8686 */
 		.model = IF_SDIO_MODEL_8686,
 		.helper = "sd8686_helper.bin",
 		.firmware = "sd8686.bin",
+		.card = NULL,
 	},
 	{
 		/* 8688 */
 		.model = IF_SDIO_MODEL_8688,
 		.helper = "sd8688_helper.bin",
 		.firmware = "sd8688.bin",
+		.card = NULL,
 	},
 };
 
@@ -539,7 +543,6 @@ static int if_sdio_prog_helper(struct if_sdio_card *card)
 	ret = 0;
 
 release:
-	sdio_set_block_size(card->func, IF_SDIO_BLOCK_SIZE);
 	sdio_release_host(card->func);
 	kfree(chunk_buffer);
 release_fw:
@@ -675,7 +678,6 @@ static int if_sdio_prog_real(struct if_sdio_card *card)
 	ret = 0;
 
 release:
-	sdio_set_block_size(card->func, IF_SDIO_BLOCK_SIZE);
 	sdio_release_host(card->func);
 	kfree(chunk_buffer);
 release_fw:
@@ -718,6 +720,9 @@ static int if_sdio_prog_firmware(struct if_sdio_card *card)
 		goto out;
 
 success:
+	sdio_claim_host(card->func);
+	sdio_set_block_size(card->func, IF_SDIO_BLOCK_SIZE);
+	sdio_release_host(card->func);
 	ret = 0;
 
 out:
@@ -903,6 +908,8 @@ static int if_sdio_probe(struct sdio_func *func,
 		goto free;
 	}
 
+	if_sdio_models[i].card = card;
+
 	card->helper = if_sdio_models[i].helper;
 	card->firmware = if_sdio_models[i].firmware;
 
@@ -985,6 +992,12 @@ static int if_sdio_probe(struct sdio_func *func,
 	if (ret)
 		goto reclaim;
 
+	/*
+	 * FUNC_INIT is required for SD8688 WLAN/BT multiple functions
+	 */
+	priv->fn_init_required =
+		(card->model == IF_SDIO_MODEL_8688) ? 1 : 0;
+
 	ret = lbs_start_card(priv);
 	if (ret)
 		goto err_activate_card;
@@ -1025,23 +1038,30 @@ static void if_sdio_remove(struct sdio_func *func)
 {
 	struct if_sdio_card *card;
 	struct if_sdio_packet *packet;
+	int ret;
 
 	lbs_deb_enter(LBS_DEB_SDIO);
 
 	card = sdio_get_drvdata(func);
 
+	lbs_stop_card(card->priv);
+
 	card->priv->surpriseremoved = 1;
 
 	lbs_deb_sdio("call remove card\n");
-	lbs_stop_card(card->priv);
 	lbs_remove_card(card->priv);
 
 	flush_workqueue(card->workqueue);
 	destroy_workqueue(card->workqueue);
 
 	sdio_claim_host(func);
+
+	/* Disable interrupts */
+	sdio_writeb(func, 0x00, IF_SDIO_H_INT_MASK, &ret);
+
 	sdio_release_irq(func);
 	sdio_disable_func(func);
+
 	sdio_release_host(func);
 
 	while (card->packets) {
@@ -1084,8 +1104,23 @@ static int __init if_sdio_init_module(void)
 
 static void __exit if_sdio_exit_module(void)
 {
+	int i;
+	struct if_sdio_card *card;
+
 	lbs_deb_enter(LBS_DEB_SDIO);
 
+	for (i = 0; i < ARRAY_SIZE(if_sdio_models); i++) {
+		card = if_sdio_models[i].card;
+
+		/*
+		 * FUNC_SHUTDOWN is required for SD8688 WLAN/BT
+		 * multiple functions
+		 */
+		if (card && card->priv)
+			card->priv->fn_shutdown_required =
+				(card->model == IF_SDIO_MODEL_8688) ? 1 : 0;
+	}
+
 	sdio_unregister_driver(&if_sdio_driver);
 
 	lbs_deb_leave(LBS_DEB_SDIO);